Cat litter basin



FIG. 1 is a perspective view of a cat litter basin showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged partial view of FIG. 2.

The broken lines in the drawings illustrate portions of the cat litter basin that form no part of the claimed design. 

CLAIM The ornamental design for a cat litter basin, as shown and described. 